<template>
    <div>
        <div class="item">
            <!-- 设置插槽 -->
            <slot name="main"></slot>
        </div>
    </div>
</template>
<script setup lang="ts">
</script>
<style lang="scss">
.item {
    /* 高度410px */
    height: 5.125rem;
    border: 1px solid blue;
    /* 外边距20px */
    margin: 0.25rem;
    background-color: rgba(13, 130, 255, 0.851);
}
</style>